Definition
(adjective) of or relating to knowledge or cognition; cognitive; of or relating to theory of knowledge (epistemology) [Usage Notes] Philosophers usually differentiate the meanings of “epistemic” and “epistemological”. They generally use “epistemic” in the sense “of or relating to knowledge or cognition” and use “epistemological” in the sense “of or relating to epistemology”.
DFW's Sentence Another is that the ever increasing number of ideological news outlets creates precisely the kind of relativism that cultural conservatives decry, a kind of epistemic free-for-all in which "the truth" is wholly a matter of perspective and agenda.
My Sentence Dude, of course it sucks, but stay with me here cause American Idol is totally an epistemic causeway to understanding apocalyptic Mayan prophecy.
01: DFW Source: The Host
02: Definition Source: Wiktionary